CN202152094U

CN202152094U - Air lock-buffer front shock absorber

Info

Publication number: CN202152094U
Application number: CN201120229563XU
Authority: CN
Inventors: 张海云
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-01
Filing date: 2011-07-01
Publication date: 2012-02-29
Anticipated expiration: 2021-07-01

Abstract

The utility model aims to provide an air lock-buffer front shock absorber achieving the triplex buffer effect of springs, an air lock and a buffer part. The air lock-buffer front shock absorber comprises a lower link plate of an iron shoulder direction device, a handle pipe, a bottom barrel, a spring and a screw, wherein the upper end of the handle pipe is connected with the lower link plate of the iron shoulder direction device; and the lower end of the handle pipe is movably inserted in the bottom barrel. The air lock-buffer front shock absorber is characterized by further comprising a first nylon spiral column and a second nylon spiral column; one end of the spring is connected with the first nylon spiral column; the first nylon spiral column is fixedly connected with the handle pipe through a screw; the other end of the spring is connected with the second nylon spiral column; the second nylon spiral column is fixedly connected with the bottom barrel through a screw; and a buffer part is arranged at the bottom end of the bottom barrel. The air lock-buffer front shock absorber is suitable for portable electric vehicles, special electric bicycles and electric motorcycles.

Description

A kind of vapour lock buffering front shock absorber

Technical field

The utility model belongs to front fork bumper technical field, more specifically relates to a kind of vapour lock buffering front shock absorber that is used on portable electric bicycle, extraordinary Electrical Bicycle and the battery-operated motor cycle.

Background technology

Along with the infiltration of green low-carbon theory, the development of new material and up-to-date technology in addition, battery-driven car progresses into the development climax as zero delivery green traffic instrument.At present; The front shock absorber of extraordinary Electrical Bicycle of portable electric bicycle and battery-operated motor cycle mostly adopts hydraulic piston rod-type bumper; Its contained spring is shorter; Be furnished with a piston ring, piston rod, control cock, valve seat guide holder etc., complex structure, this just makes the cost of traditional liquid damper increase greatly; Then can cause because of the traditional shock absorber spring is short: under the good situation of traveling comfort, can hit at the end during large impact; Traveling comfort is not very poor again when not hitting the end when being controlled at large impact, but also has abnormal sound, easily because of sealing the bad leakage that is very easy to cause hydraulic oil in the bumper yet, damping effect is reduced, even lose damping performance.

The utility model content

The purpose of the utility model is to provide a kind of productive costs lower, simple in structure, and damping effect is better, and the vapour lock of spring, vapour lock and damper element triple buffer buffering front shock absorber.

To achieve these goals, the utility model adopts following technical scheme:

A kind of vapour lock buffering front shock absorber comprises iron shoulder direction device lower linking plate, handle pipe, end bucket, spring and screw rod, and said handle pipe upper end is connected with iron shoulder direction device lower linking plate; The lower end activity of handle pipe is plugged in the end bucket; It is characterized in that also include the first nylon borded pile and the second nylon borded pile, said spring one end connects the first nylon borded pile; The said first nylon borded pile is captiveed joint through screw rod with the handle pipe; The said spring other end is connected with the second nylon borded pile, and the said second nylon borded pile is captiveed joint through screw rod with end bucket, and bucket bottom, the said end is provided with damper element.

Preferably, said handle pipe downside offers inner groovy.

Preferably, said spring centre portion is the 3-10 millimeter for the spiral coil spacing; Said centre portion extends to two ends, and the adjacent spiral coil spacing at two ends is the 10-20 millimeter.

Preferably, the outside one end of the said first nylon borded pile and the second nylon borded pile is respectively equipped with plug helix, and said both ends of the spring is fastened in the plug helix respectively.

Preferably, place, the terminal axle center of the said first nylon borded pile and the second nylon borded pile offers the axis hole that has negative thread, and the negative thread of said axis hole and the outside thread of said screw rod are complementary.

Preferably, the damper element of bucket bottom, the said end be circumferential ring around and be pulse type, the damper element lower end is cylindrical, the upper end is the pulse sheet, damper element adopts the nitrile rubber material to process.

Preferably, be arranged with a copper backing on the said screw rod.

Preferably, bucket top, the said end is provided with cover of dust, and the bucket inwall is provided with oil sealing at the bottom of the cover of dust downside, and cover of dust and oil sealing all adopt the rubber material to process.

The advantage that the utility model is compared prior art is: be connected owing to adopted whole spring to substitute short spring in the past, piston ring, piston rod, control cock, valve seat guide holder etc.; Like this under equal specification, the damping performance of the long more bumper of spring can be better, more comfortable, owing to reduced former intraware; Resistance reduces friction; Ride comfort is better, and fault rate can reduce, and prolong service life.When the handle pipe moves downwards under the normal circumstances; End bucket gas inside is upwards compressed naturally and is formed vapour lock, thereby reaches the effect of spring and vapour lock double buffering, because of bucket bottom, the end is provided with damper element; At the handle pipe when smallest limit is impacted; Because of there being damper element to stop, just formed triple buffer, so can not produce collision with bucket bottom, the end.Adopt as above technical scheme, not only damping effect is better for the more comfortable enjoyment of motorist, also makes that the bumper in-to-in is simple in structure simultaneously, and productive costs reduces greatly, and simple and fast is installed, and on manpower, also reduces relatively.

Description of drawings

Fig. 1 is the utility model overall schematic;

Fig. 2 is the utility model schematic cross-section.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is done further description explanation.

Shown in Fig. 1 to 2; The utility model discloses a kind of vapour lock buffering front shock absorber, it comprises iron shoulder direction device lower linking plate 1, handle pipe 2, end bucket 3, spring 4, screw rod 5, the first nylon borded pile 6, the second nylon borded pile 7, cover of dust 8, oil sealing 11 and copper backing 9.Wherein said handle pipe 2 upper ends adopt automated welding to be connected with iron shoulder direction device lower linking plate 1; The 2 lower end activities of handle pipe are plugged in the cylindrical bottom bucket 3; Said spring 4 one ends connect the first nylon borded pile 6; Screw rod 5 is arranged with a copper backing 9, and screw rod 5 passes the communication port of the axis part of the corresponding handle pipe 2 in iron shoulder direction device lower linking plate 1 upper end, spins mutually with axis hole on the axis part of the first nylon borded pile 6; Spring 4 other ends are connected with the second nylon borded pile 7, and screw rod 5 sheathed copper backings 9 pass the communication port of end bucket 3 bottom axis parts, spin mutually with the axis hole of the axis part of the second nylon borded pile 7.Said spring centre portion is the 3-10 millimeter for the spiral coil spacing; Said centre portion extends to two ends, and the adjacent spiral coil spacing at two ends is the 10-20 millimeter.The top of end bucket 3 is provided with cover of dust 8; The inboard of bucket 3 is provided with oil sealing 11 at the bottom of cover of dust 8 belows, and cover of dust 8 is an annular with oil sealing 11, and the external diameter of its internal diameter and handle pipe 2 matches; Cover of dust 8 all adopts the rubber material to process with oil sealing 11, can play good sealing function like this.The lubricating oil 12 that butter and machine oil modulate is equipped with in the inboard of bucket 3 end of at; Handle pipe and end bucket are inner when assembling can retain corresponding gas by nature; Need not extra inflation, when bumper handle pipe 2 moves from top to bottom, thereby the air that the inside retains can nature because pressure increases and forms vapour lock and reach buffer action; And the power of this vapour lock buffering is softer, gives the driver with comfort.Handle pipe 2 13 of the inner groovies that its downside is offered when operation downwards can touch the lubricating oil 12 that modulates; 13 natures of inner groovy lubricating oil 12 is taken up; More smooth-going with regard to having abundant oil lubrication between the outer wall of the inwall of end bucket 3 and handle pipe 2 like this, wearing and tearing reduce operating cycles and prolong, and also actv. is supplied with to oil sealing 11 simultaneously, therefore; Can not make oil sealing 11 because of there not being very quick-wearing of lubricating oil 12, make its leak free effect remain good state.Bucket 3 bottoms in the end are provided with damper element 10; Damper element 10 lower ends are cylindrical, and the upper end is the pulse sheet, and what damper element 10 adopted is that the nitrile rubber material is processed; The oil resistant erosion is strong; Long perfomance life, and handle pipe 2 is contacted with end bucket 3, strengthened the service life of bumper.Because of all being arranged with copper backing 9 on the screw rod 5, through can well playing sealing function behind the intact product of fastening assembling, and can not reduce sealing effectiveness because of using for a long time.Because of the utility model is the triple buffer that adopts spring 4, vapour lock and damper element 10, so buffering effect is better.Owing to adopted whole spring 4 traveling comforts better and make its inner structure simpler, assemble fasterly,, manpower all makes its cost reduction on still be material, be more suitable for the large-scale popularization application.

Above-described only is the optimal way of the utility model; Should be pointed out that engineering staff, under the prerequisite that does not break away from the utility model creation design for this area; Can also make some distortion and improvement, these also should be regarded as within the protection domain of the utility model.

Claims

1. a vapour lock buffering front shock absorber comprises iron shoulder direction device lower linking plate, handle pipe, end bucket, spring and screw rod, and said handle pipe upper end is connected with iron shoulder direction device lower linking plate; The lower end activity of handle pipe is plugged in the end bucket; It is characterized in that also include the first nylon borded pile and the second nylon borded pile, said spring one end connects the said first nylon borded pile; The said first nylon borded pile is captiveed joint through said screw rod with said handle pipe; The said spring other end connects the said second nylon borded pile, and the said second nylon borded pile is captiveed joint through said screw rod with bucket of the said end, and bucket bottom, the said end is provided with damper element.

2. a kind of vapour lock buffering front shock absorber according to claim 1 is characterized in that said handle pipe downside offers inner groovy.

3. a kind of vapour lock buffering front shock absorber according to claim 1 is characterized in that the spiral coil spacing of said spring centre portion is the 3-10 millimeter; Said centre portion extends to two ends, and the adjacent spiral coil spacing at two ends is the 10-20 millimeter.

4. a kind of vapour lock buffering front shock absorber according to claim 1 is characterized in that the outside one end of the said first nylon borded pile and the second nylon borded pile is respectively equipped with plug helix, and said both ends of the spring is fastened in the plug helix respectively.

5. a kind of vapour lock buffering front shock absorber according to claim 1; It is characterized in that; Place, the terminal axle center of the said first nylon borded pile and the second nylon borded pile offers the axis hole that has negative thread, and the negative thread of said axis hole and the outside thread of said screw rod are complementary.

6. a kind of vapour lock buffering front shock absorber according to claim 1 is characterized in that, the damper element of bucket bottom, the said end be circumferential ring around and be pulse type, the damper element lower end is cylindrical, the upper end is the pulse sheet, damper element adopts the nitrile rubber material to process.

7. a kind of vapour lock buffering front shock absorber according to claim 1 is characterized in that, is arranged with a copper backing on the said screw rod.

8. a kind of vapour lock buffering front shock absorber according to claim 1 is characterized in that bucket top, the said end is provided with cover of dust, and the end bucket inwall of cover of dust lower end is provided with oil sealing, and cover of dust and oil sealing all adopt the rubber material to process.